diff --git a/turbidity/turbidity.go b/turbidity/turbidity.go
index d5757441..75eac3d6 100644
--- a/turbidity/turbidity.go
+++ b/turbidity/turbidity.go
@@ -1,5 +1,5 @@
-//go:build !ignore
-// +build !ignore
+//go:build !nocv
+// +build !nocv
 
 /*
 DESCRIPTION
diff --git a/turbidity/turbidity_test.go b/turbidity/turbidity_test.go
index 1bb51777..79c4252a 100644
--- a/turbidity/turbidity_test.go
+++ b/turbidity/turbidity_test.go
@@ -1,3 +1,6 @@
+//go:build !nocv
+// +build !nocv
+
 /*
 DESCRIPTION
   Testing functions for the turbidity sensor using images from
@@ -36,11 +39,13 @@ import (
 )
 
 const (
-	nImages   = 13  // Number of images to test. (Max 13)
-	nSamples  = 10  // Number of samples for each image. (Max 10)
+	nImages   = 10  // Number of images to test. (Max 13)
+	nSamples  = 1   // Number of samples for each image. (Max 10)
 	increment = 2.5 // Increment of the turbidity level.
 )
 
+// TestImages will read a library of test images and calculate the sharpness and contrast scores.
+// A plot of the results will be generated and stored in the plots directory.
 func TestImages(t *testing.T) {
 	const (
 		k1, k2       = 8, 8
@@ -63,12 +68,12 @@ func TestImages(t *testing.T) {
 
 	ts, err := NewTurbiditySensor(template, standard, k1, k2, filterSize, scale, alpha)
 	if err != nil {
-		t.Fatal("could not create turbidity sensor: %w", err)
+		t.Fatalf("could not create turbidity sensor: %v", err)
 	}
 
 	results, err := NewResults(nImages)
 	if err != nil {
-		t.Fatal("could not create results: %w", err)
+		t.Fatalf("could not create results: %v", err)
 	}
 
 	// Score each image by calculating the average score from camera burst.
@@ -92,6 +97,7 @@ func TestImages(t *testing.T) {
 	t.Logf("Contrast: %v", results.Contrast)
 }
 
+// plotResults plots sharpness and contrast scores against the level of almond milk in the container
 func plotResults(x, sharpness, contrast []float64) error {
 	err := plotToFile(
 		"Results",